Math, asked by biswaskhokan317, 7 months ago

Trigonometric
3. Evaluate (without using table):
(a) tan 63° tan 27°
(c) sin 40° sec 50°

Answers

Answered by sriramulamurali9

2

Step-by-step explanation:

A=tan(63)xtan(90-27)

=tan(63)xcot(63)

=tan(63)x1/tan(63)

=1

B=sin40xsec(90-50)

=sin40xcosec40

=sin(40)x1/sin40

=1

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