Math, asked by nakulchauhanyt, 5 months ago

Cos75° का मान ज्ञात करो।

Answers

Answered by bollasaisrinivas007

0

Answer:

tell me in English

I can't understand hindi

Answered by Jinnatun10

1

Answer:

cos (30°+45°)

cos30°cos45°-sin30°sin45°

=√3/2 * 1/√2 - 1/2 * 1/√2

= √3/√2-1/2√2

=( 2√3 -1) /2√2

=(2√6 -√2)/4

Step-by-step explanation:

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