Math, asked by kh945433, 1 month ago

SinA + 5 CosA + SinA - 8 cosA

Answers

Answered by ankitgupta3215

3

Answer:

8tanA=15⇒tanA=

8

15

Now,

sinA+cosA

sinA−cosA

Multiply and divide by cosA

=

cosA

sinA

+

cosA

cosA

cosA

sinA

−

cosA

cosA

=

tanA+1

tanA−1

Now, substitute the value of tanA

=

8

15

+1

8

15

−1

=

23

7

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