Math, asked by vaibhav9669, 8 months ago

find the value of cos 75.cos 15

Answers

Answered by vinitharajnair

2

Answer:

The answer is 1/4

Explanation :

Cos75 Cos15

=> Cos(45 + 30) Cos(45 - 30)

= Sin 30 Sin 30

=1/2 × 1/2

= 1/4

Answered by Anonymous

0

Answer:

cos/sin+sin/cos+tan+12

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