evaluate 3cos51/sin39- 2sin15/cos75
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.one is your right answer
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rohitbagoriya1977:
yes my answer is also 1
yep its 1
thnx nandiniette
hey i solved it step by step
i did too
they are complementary , hence cancel each other out
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3cos51/sin39 - 2sin15/cos75
=3cos(90-39)/sin39 - 2sin(90-75)/cos75
=3sin39/sin39 - 2cos75/cos75
=3 - 2
= 1 Ans
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