Question

1. If cos²theta -sin²theta=1/2, find the value of tan theta
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Answer 1

Answer:

tan Ф=tan 30=1/√3

Step-by-step explanation:

cos²Ф-sin²Ф=1/2

cos 2Ф =1/2=cos 60

2Ф=60

Ф=30°

So tan Ф=tan 30=1/√3

Answer 2

Answer:

theta = 30°

so tan 30° = 1 /√3

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