Pa Use the approximation sin 50° 0.77 with trigonometric identities to find the approximate value of each of the following. (a) cos 50° (b) tan 50° (c) cot 50° (d) sec 50°

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Q: simplify the following trigonometric equation (1+sin\theta)/(1+cos\theta)

A: Trigonometry

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Q: What is the exact value of cos- (sin a) where a = 13T radians? 4

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Q: Find csc θ if cot θ = −48/55 and sin θ > 0.

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Q: Find the EXACT value of sin(195°) using an addition or subtraction formula.

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Q: Determine the exact value of cos 45° x tan 60° sin 30°

A: We know, cos(45∘) = 12 ,sin(30∘) = 12 , and  tan(60∘) = 3