UPSC CDS Math Trigonometric Ratios and Trigonometric Identities Questions
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Question : 77 of 107
Marks:
+1,
-0
Consider the following :
1.
+
= s i n A + c o s A
2.( 1 − s i n A − c o s A ) 2 = 2 ( 1 − s i n A ) ( 1 + c o s A )
Which of the above is /are identity/identities?
1.
2.
Which of the above is /are identity/identities?
[2015 CDS-I]
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