Math, asked by bhaveshzota488, 7 months ago

Find the value of : tan 15o tan 20o tan 70o tan 75o.

Answers

Answered by gurmanpreet1023

2

tan 15 tan 20 tan 75 tan 70

tan(90-x)= cot x

tan 15=cot 75

tan20=cot 70

tan75cot75=1

tan70cot70=1

so answer is 1

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