cos(-x) X tanx - cos (π/2 - x)
[A] 0 [B] –1 [C] 1 [D] 2
And how do I get to the answer?
Answers
Answered by
1
Answer:
A(0)
Step-by-step explanation:
cos(-x)=-cosx. eq (1)
cos(Π/2-x)=cos(180°/2-x)
=cos(90°-x)
=sinx. eq. (1)
substituting in equation we get result as 0
Answered by
5
Answer:
Mate the correct answer is 0
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