answer the above question pls
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2
Answer:
4/5
Step-by-step explanation:
we have,
(1+cos¢)(1-cos¢) = 16/25
so, 1-cos²¢ = 16/25
sin²¢ = 16/25
so, sin¢ = 4/5 ....ans.
Answered by
4
➤ (1 + CosQ)(1-cosQ) = 16/25
➤ 1 - CosQ + CosQ - Cos2Q = 16/25
➤ 1- Cos2Q = 16/25
As we know that
Sin2Q + Cos2Q = 1
So, Sin2Q = Cos2Q - 1,,
➤ Sin2Q = 16/25
➤ SinQ = 4/5
Hope it will help uh!!
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