Evaluate: sin (45° +Q )- cos (45° -Q)
Answers
Answered by
2
Answer:
2 sin(45+Q)
Step-by-step explanation:
cos is complementary to sin
so cos (90- theata )=sin
so 90-(45-Q) will be sin(45 +q)
Answered by
6
HEY MATE HERE IS YOUR SOLUTION WHICH IS BEING PROVIDED BY ME......
Sin (45°+Q) - Cos (45°-Q)
Sin45°CosQ + Cos45°SinQ -
( Cos45°CosQ + Sin45°SinQ)
HERE EVERY TERM IS EQUAL WITH OPPOSITE SIGN..
SO YOUR ANSWER = 0
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