Math, asked by ucmeajinkya, 11 months ago

please answer as fast you can with the proper method

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Answered by nishant3793

2

Step-by-step explanation:

hope it will help uu sry for handwritting

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Answered by Rishvith

1

Step-by-step explanation:

sec(90-Φ)= cosecΦ

tan(90-Φ)= cotΦ

cos65°.cos65°= sin25°.sin25

tan27°=cot63°

=cosecΦ.cosecΦ-cotΦ.cotΦ+cos25.cos25+sin25.sin25/3cot63.tan63

=cosecΦ.cosecΦ-cotΦ.cotΦ+1/3

=1+1/3

=2/3

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