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Question

If sinθ=4041, then tanθ=...... and cosθ=.....

A
409,941
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B
4041,941
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C
419,4140
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D
None of these
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Solution

The correct option is A 409,941
Using Pythagorean identity
sin2θ+cos2θ=1
(4041)2+cos2θ=1
So, cos2θ=116001681=811681
So, cosθ=941
and tanθ=sinθcosθ=4041941
=40×419×41=409

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