(1-sin theta + cos theta) square=2(1+cos theta) (1-sintheta)
Answers
Answer:
answers/16-sin-cube-theta-8-cos-cube-theta-and- answer-is-3-3447247
Thumbnail image
16 sin cube theta+8 cos cube theta= and answer is 3. Related Answer. sinθ+ cosθ=√2 then sin16θ is (A) cos16θ210 (B) sec16θ28 (C) 12sec16θ (D) ...
Step-by-step explanation:
answers/16-sin-cube-theta-8-cos-cube-theta-and- answer-is-3-3447247
Thumbnail image
16 sin cube theta+8 cos cube theta= and answer is 3. Related Answer. sinθ+ cosθ=√2 then sin16θ is (A) cos16θ210 (B) sec16θ28 (C) 12sec16θ (D) ...
Step-by-step explanation:
let, theta = x
(1-sin x+cos x)²
=1²+(sin x+ cos x)²-2*(sin x+ cos x)*1
=1+sin²x+cos²x+2*sin x*cos x-2sin x-2cos x
=1+1+2*sin x*cos x-2sin x-2cos x
=2-2sin x+2*sin x*cos x-2cos x
=2(1-sin x)+2 cos x(1-sinx)
=(1-sin x)(2+2cos x)
=2(1+cos x)(1-sin x)
=2(1+cos theta)(1-sin theta)
[proved]