Question

solve question no 4 guyzz plzzz​

Answer 1

MARK BRAINLIEST.

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SSS

Answer 2

Answer: let theta be X.

K+1=sec²x(1+sinx)(1-sinx). [ (a+b)(a-b)=a²-b²]

K+1=sec²x(1-sin²x). (Sin²x+cos²x=1)

K+1=sec²x (cos²x). ( Sec²x=1/cos²x)

K+1=1.

K=0.