Which of the following is not an identity? I. tan x + cotx = secx csc x II. cos²x = sin x (cscx + sin x) III. sin²x = cos x(secx - cos x) O II O III OI O II and III

Q: Trigonometry Question

A: We have to find following conditions

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A: We have to evaluate the given trigonometric function.

Q: Statement cotx (sec²x - 1) = = = cosx -(sec²x - 1) sinx cosx sinx cosx sinx sinx COS.X = tant…

A:

Q: epresent 3 sin x + 6 cos x in a form A sin(x + p), use radians for p.

A:

Q: 2 1 + cos2x can be simplified to: O sin²x O csc² x O cos²x O sec² x

A:

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Q: 1 2 cos x- sec x 2

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Q: Verify that it is an identity  (1-sec/tan)+(tan/1-sec)=-2csc

A: We will simplify left side and make it equal to right side

Q: Verify the identity: csc x cos2 x + sin x = csc x.

A: the given identity is: cscx cos2x+sinx=cscx we have to verify the identity.