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Oct 1
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Trigonometry
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Brainiak
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A kite is flying at a height of 60 m above the ground. The string attached to the kite is tied at the ground. It makes an angle of 60° with the ground.
trigonometry practice set 6.2
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Oct 1
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Trigonometry
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Brainiak
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A storm broke a tree and the treetop rested 20 m from the base of the tree, making an angle of 60° with the horizontal. Find the height of the tree.
trigonometry practice set 6.2
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Oct 1
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Trigonometry
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Brainiak
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Two poles of heights 18 metre and 7 metre are erected on a ground. The length of the wire fastened at their tops in 22 metre
trigonometry practice set 6.2
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Oct 1
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Trigonometry
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Brainiak
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Two buildings are facing each other on a road of width 12 metre. From the top of the first building, which is 10 metre high, the angle of elevation
trigonometry practice set 6.2
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Oct 1
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Trigonometry
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Brainiak
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From the top of a lighthouse, an observer looking at a ship makes angle of depression of 60°. If the height of the lighthouse is 90 metre
trigonometry practice set 6.2
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Oct 1
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Trigonometry
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Brainiak
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A person is standing at a distance of 80m from a church looking at its top. The angle of elevation is of 45°. Find the height of the church
trigonometry practice set 6.2
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Sep 30
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Trigonometry
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Brainiak
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proove that tan theta\sec theta - 1= tan theta + sec theta + 1/ tan theta + sec theta - 1}
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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Prove That: Sec 4 a ( 1 − Sin 4 a ) − 2 Tan 2 a = 1
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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Prove That: Tan a ( 1 + Tan 2 a ) 2 + Cot a ( 1 + Cot 2 a ) 2 = Sin a Cos a
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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If tanθ+ 1/tanθ =2 thenshow that tan ^2 θ+ 1/ tan^2θ=2
trigonometry practice set 6.1
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6
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1
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Sep 30
in
Trigonometry
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Brainiak
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proove that viii. } secθ+tanθ=cosθ/(1−sinθ)
trigonometry practice set 6.1
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Sep 30
in
Trigonometry
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Brainiak
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Proove that vii. sin^4 θ – cos^4 θ = 1 – 2 cos^2 θ
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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prove that vi ) 1/secθ−tanθ=secθ+tanθ
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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proove that v. cot θ + tan θ =cosec θ. sec θ
trigonometry practice set 6.1
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Sep 30
in
Trigonometry
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Brainiak
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proove that iv. (sec θ – cos θ) (cot θ + tan θ)= tan θ. sec θ
trigonometry practice set 6.1
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Sep 30
in
Trigonometry
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Brainiak
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Prove that √1-sinθ/1+sinθ=secθ−tanθ
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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prove that cos^2 θ (1+ tan2 θ) = 1
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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prove that sin^2θ/cosθ+cosθ=secθ
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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If tan θ = 1, then find the value of sinθ+ cosθ /secθ+cosecθ
trigonometry practice set 6.1
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Sep 30
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Trigonometry
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Brainiak
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If 5 sec θ – 12 cosec θ = θ, find the values of sec θ, cos θ and sin θ.
trigonometry practice set 6.1
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