Question

value of
af sin A = cosa
find the value of 2tan²A+sin²A+1
​

Answer 1

Explanation:

sina=cosa

sin45° = cos 45°

sin 1/√2 = cos 1/√2

sina=1/√2=p/h

b2 = h2 - p2

b2 = 2 -1

b = 1

tan a = 1/1

now,. 2×(1/1)2 +( 1/√2)2

=. 2/1 + 1/2

= 5/2 ans.

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