Math, asked by funxaila8, 10 months ago

cos²67⁰ + sin²23⁰ is equal to

Answers

Answered by arun7266

0

Answer:

Step-by-step explanation:

Given cos²67°-sin²23°[ cos²67°= cos(90-23)]

sin23-sin23 [cos 90-

=0 x=sinx (x=theta)]

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