yadi sin thita +sin2 thita=1 to cos2thita+cos4 thita ka man kya hoga?
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0
Answer:
( mfa yfur fop) come
Step-by-step explanation:
( mfa yfur fop) come
Answered by
1
Answer:
Step-by-step explanation:
Given that,
sin θ + sin²θ = 1
sin θ = 1 - sin² θ
sin θ = cos²θ
∴ cos²θ + cos⁴θ = cos²θ ( 1 + cos²θ )
= sin θ ( 1 + sin θ )
= sin θ + sin²θ
= 1 is the answer. (∵ Given that, sin θ + sin²θ = 1 )
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