Math, asked by vaishalipatilvp1998, 11 months ago

sin(2a)=cos(a-24) find the value of a

Answers

Answered by Chitrayogee

1

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Answered by kavishchhajed64

0

Step-by-step explanation:

Solution:−

sin2a = cos(a+24°)

sin∅ = cos(90 -∅)We know that sin∅=cos(90−∅)

=>cos(90°-2a)=cos(a+24°)

=>90°-2a = a+24°

=> -2a-a = 24°-90°

=> -3a = -66

=>3a = 66

=> =66/3a

=>a = 22

★ Value of 'a' is 22.

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