amandapadilla2003
Answered

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Which of the following equations are identities? Check all that apply.
A. cot^2x+csc2x=1
B. sin^2x-cos^2x=1
C. sin^2x = 1 - cos^2x
D. tan^2x = sec^2x-1

can someone help me?​

Which Of The Following Equations Are Identities Check All That Apply A Cot2xcsc2x1 B Sin2xcos2x1 C Sin2x 1 Cos2x D Tan2x Sec2x1 Can Someone Help Me class=

Sagot :

Answer:

your answers are C and D

Step-by-step explanation:

hope it helps have a nice day

Trigonometric Identities are equalities that utilize trigonometry functions and hold true for all variables in the equation. The correct options are C and D.

What are Trigonometric Identities?

Trigonometric Identities are equalities that utilize trigonometry functions and hold true for all variables in the equation. There are several trigonometric identities relating to the side length and angle of a triangle.

Given a few trigonometric equations and it is needed to check which equation is an identity. Since Trigonometric Identities are equalities that utilize trigonometry functions and hold true for all variables in the equation. Therefore, the equations that are identities are,

C.)

sin²x + cos²x = 1

sin²x = 1 - cos²x

D.)

sec²x - tan²x = 1

sec²x - 1 = tan²x

tan²x = sec²x - 1

Hence, the correct options are C and D.

Learn more about Trigonometric Identities:

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