Math, asked by bgm63, 5 months ago

sinsquare15+sinsquare75/cosquare36+cossquare54

Answers

Answered by Manas12345678910

0

Answer:

Ans - 1

Step-by-step explanation:

sin²15+sin²75/cos²36+ cos²54

= cos²(90-15)+sin²75/sin²(90-36)+cos²54

sinA= cos(90-A) cosA= sin(90-A)

= cos²75+sin²75/sin²54+cos²54

sin²A + cos²A = 1

= 1/1

=1

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